18857216

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 45622080

約数和(自身を除く): 26764864

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 619, 896, 952, 1088, 1238, 1792, 1904, 2176, 2476, 3808, 4333, 4352, 4952, 7616, 8666, 9904, 10523, 15232, 17332, 19808, 21046, 30464, 34664, 39616, 42092, 69328, 73661, 79232, 84184, 138656, 147322, 158464, 168368, 277312, 294644, 336736, 554624, 589288, 673472, 1109248, 1178576, 1346944, 2357152, 2693888, 4714304, 9428608, 18857216]

約数ペア:

[(1, 18857216), (2, 9428608), (4, 4714304), (7, 2693888), (8, 2357152), (14, 1346944), (16, 1178576), (17, 1109248), (28, 673472), (32, 589288), (34, 554624), (56, 336736), (64, 294644), (68, 277312), (112, 168368), (119, 158464), (128, 147322), (136, 138656), (224, 84184), (238, 79232), (256, 73661), (272, 69328), (448, 42092), (476, 39616), (544, 34664), (619, 30464), (896, 21046), (952, 19808), (1088, 17332), (1238, 15232), (1792, 10523), (1904, 9904), (2176, 8666), (2476, 7616), (3808, 4952), (4333, 4352)]